4 8 



Key to the Indo-Australian species. 



A. First finger rudimentary; digits free I. Z. ceylonensis p. 48. 



B. First finger well developed. 



I. Tail flat inferiorly, with sharp lateral edge. 



Male with femoral pores 2. Z. lugubris p. 49. 



II. Tail cylindrical. 



a. Digits webbed at the base. 



j. 18 20 lamellae under the median toes. 



Male with 17 praeanal pores 3. Z. pulcher p. 49. 



2. II lamellae under the median toes. 



Male with a series of 44 femoral and praeanal 



pores 4. Z. guppyi p. 50. 



b. Digits without distinct web. Tail somewhat 

 depressed, rounded. Male with 25 femoral and 



praeanal pores 5. Z. -woodfordi p. 51. 



i. Lepidodactylus ceylonensis Boulenger. 



Lepidodactylus ceylonensis, Boulenger, Cat. Liz. I 1885, p. 164, pi. XIII fig. 3. 



Head much more long than broad ; snout as long as the dis- 

 tance between the eye and the ear-opening, one time and a half 

 the diameter of the orbit; ear-opening small, oval. Head 

 covered with very small granular scales, slightly enlarged on 

 the snout. Rostral twice as broad as deep; nostril bordered 

 by the rostral, the first labial and three small scales. Eleven 

 or twelve upper and as many lower labials; mental small, 

 triangular; no chin-shields. Body long, covered with small 

 granules. Ventral scales somewhat larger and flat. Male with 1 1 

 praeanal pores in an angular series. Tail cylindrical, covered 

 with uniform small scales. Limbs short, fore limb not measur- 

 ing half the distance between axilla and groin; digits free, inner 

 rudimentary; 4 or 5 divided lamellae under the median toes. 



Brown above, with small round yellowish spots; a dark 

 streak from the tip of the snout to the shoulder, passing 

 through the eye, bordered above by light brown ; a small 

 light spot on each digit. Lower parts dirty white, dotted with 

 brown. Length of head and body 47 mm.; tail 38 mm. 



Habitat: Engano; Sumatra (Fort de Kock!, Matur!); 

 Java (Willis Mts 5000 feet); Borneo (Sandakan). Malacca; 

 Burma; Ceylon. 



